HG
Harry Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · None, District of Columbia
Our Model Tree links this Harry Gray across the 1920, 1930 and 1940 US Censuses in District of Columbia (XGBoost, ~Confirmed), with identified parents Harry & Ivy — first a head (b.~1901), then head of a 7-person household.
Age 29
b. ~1901
Male
Head
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, District of Columbia |
| Surname | Gray |
| Given Name | Harry S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | District of Columbia |
| Additional Details | |
| Occupation | Salesman |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Salesman |
| Township / Ward | Washington City |
| Est. Birth Year | ~1901 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Ruby Gray | Other | — | 28 | ~1902 |
| Alvin Gray | Son | — | 9 | ~1921 |
| Joseph Gray | Son | — | 2 | ~1928 |
| Harry Gray | Head | — | 29 | ~1901 |
| Harry Gray | Son | — | 8 | ~1922 |
| Jack Gray | Son | — | 5 | ~1925 |
| James Gray | Son | — | 10 | ~1920 |
Census Appearances
1920
None, District …
Son, age 19
None, District of Columbia · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Harry W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | Drug Clerk |
| Industry | Pharmacy |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
None, District …
Head, age 29
None, District of Columbia · implied b. ~1901 — 7 household members
| Surname | Gray |
| Given Name | Harry S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | District of Columbia |
| Occupation | Salesman |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
District-Of-Columbia-County, District …
Other, age 40
District-Of-Columbia-County, District of Columbia · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Henry |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Separated |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 520 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Harry Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Gray (~0.92 confidence) and mother Ivy Gray (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Harry Gray
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Ivy Gray
b. ~1891
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Harry Gray
Head · 1930 · age 29 · b. ~1901 · District of Columbia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — None, District of Columbia
Open full size
1930 US Federal Census — None, District of Columbia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus299unit:0762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Evans | 58 | Head | Clerk | Pennsylvania |
| 2 | Caroline B Evans | 49 | Wife-H | Saleslady | Virginia |
| 3 | Chester S Evans | 24 | Son | Clerk | Virginia |
| 4 | Eileen Murphy | 21 | Daughter | Telephone Operator | Virginia |
| 5 | Geraldine Murphy | 2 | Granddaughter | — | District of Columbia |
| 6 | Muriel O'Connell | 14 | Boarder | — | District of Columbia |
| 7 | Ernest B Prangley | 40 | Head | Electrician | Maryland |
| 8 | Annie A Prangley | 47 | Wife-H | Saleslady | Virginia |
| 9 | Cornelia J Prangley | 15 | Daughter | — | District of Columbia |
| 10 | Mary W Prangley | 14 | Daughter | — | District of Columbia |
| 11 | Esther Prangley | 13 | Daughter | — | District of Columbia |
| 12 | Ernest J Prangley | 11 | Son | — | District of Columbia |
| 13 | Ruth Prangley | 8 | Daughter | — | Maryland |
| 14 | Helen T Prangley | 7 | Daughter | — | Maryland |
| 15 | Charles Prangley | 2 | Daughter | — | Maryland |
| 16 | Cornelius Debruyn | 30 | Head | Butcher | Pennsylvania |
| 17 | Emma Debruyn | 29 | Wife | — | Virginia |
| 18 | Mary J Debruyn | 10 | Daughter | — | Virginia |
| 19 | Margaret V Debruyn | 7 | Daughter | — | Virginia |
| 20 | Paul Debruyn | 5 | Son | — | District of Columbia |
| 21 | Philip E Debruyn | 3 | Son | — | District of Columbia |
| 22 | John Carrington | 59 | Head | Fireman | Maryland |
| 23 | Charlotte Heath | 24 | Daughter | Stenographer | District of Columbia |
| 24 | Henry Heath | 27 | Son-in-law | Rigger | North Carolina |
| 25 | Marie C Robey | 55 | Sister-in-law | Dressmaker | District of Columbia |
| 26 | Monica Mccormick | 65 | Head | — | Irish Free State |
| 27 | John D Mccormick | 37 | Son | Instructor | District of Columbia |
| 28 | Nellie S Mccormick | 33 | Daughter | Clerk | District of Columbia |
| 29 | Loretta Mccormick | 31 | Daughter | Clerk | District of Columbia |
| 30 | Harry S Gray THIS PERSON | 29 | Head | Salesman | Virginia |
| 31 | Ruby Gray | 28 | Wife-H | — | Virginia |
| 32 | James Gray | 10 | Son | — | District of Columbia |
| 33 | Alvin Gray | 9 | Son | — | Virginia |
| 34 | Harry Gray | 8 | Son | — | District of Columbia |
| 35 | Jack Gray | 5 | Son | — | District of Columbia |
| 36 | Joseph Gray | 2 | Son | — | District of Columbia |
| 37 | Charles H Weber | 38 | Head | Laborer | Virginia |
| 38 | Margaret Weber | 29 | Wife-H | — | District of Columbia |
| 39 | Alice M Weber | 7 | Daughter | — | District of Columbia |
| 40 | George F Weber | 26 | Brother | Laborer | District of Columbia |
| 41 | Bernard Willoughby | 29 | Head | Salesman | Virginia |
| 42 | Helen R Willoughby | 22 | Wife-H | Telephone Operator | Maryland |
| 43 | James N Willoughby | 1 | Son | — | District of Columbia |
| 44 | Walter Talley | 33 | Head | Laborer | Virginia |
| 45 | Nora F Talley | 28 | Wife-H | — | Virginia |
| 46 | Lillian A Talley | 2 | Daughter | — | Virginia |
| 47 | Lucy Richardson | 50 | Mother-in-law | — | Virginia |
| 48 | Russell Richardson | 23 | Brother-in-law | Salesman | Maryland |
| 49 | Lillian Richardson | 13 | Niece | — | District of Columbia |
| 50 | Rose M Schley | 38 | Head | Store-Keeper | New York |
Pedigree Summary
Harry
Gen 1 · 2 parents
~0.76
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)